The second annual Firefly Music Festival takes place June 21st – 23rd at Dover International Speedway in Dover, Delaware. General admission and VIP passes go on sale Thursday, February 21st via the festival’s website.

The second annual Firefly Music Festival takes place June 21st – 23rd at Dover International Speedway in Dover, Delaware. General admission and VIP passes go on sale Thursday, February 21st via the festival’s website.